<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
        <mysearch @click="gotoSearch()"></mysearch>
    </view>
    
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img" mode="aspectFit"></image>
      </view>
    </view>

  
    <!-- 楼层区域 -->
    <!-- 楼层的容器 -->
    <view class="floor-list">
      <!-- 每一个楼层的item项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子-->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width+'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧4个小图片的盒子 -->
          <view class="right-img-box">
           <navigator class="right-img-item" v-for="(item2, i2) in item.product_list.filter((_, index) => index !== 0)" :key="i2" :url="item2.url">
              <image :src="item2.image_src" :style="{width:item2.image_width+'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
        
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //这是轮播图的数据列表
        swiperList:[],
        //分类导航的数据列表
        navList:[],
        //楼层的数据
        floorList:[]
        
      };
    },
    onLoad(){
      // 调用方法，获取轮播图的数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    mounted() {

},
    methods:{
     async getSwiperList(){
        console.log('getSwiperList called')
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        //请求失败
        if(res.meta.status !== 200){
        return  uni.showToast({
           title:'数据请求失败！',
           duration:1500,
           icon: 'none'
         })
        }
        
        this.swiperList = res.message
      },
      
    async getNavList(){
        const { data:res } = await uni.$http.get('/api/public/v1/home/catitems')
        //请求失败
        if(res.meta.status !== 200){
        return  uni.showToast({
           title:'数据请求失败！',
           duration:1500,
           icon: 'none'
         })
        }
        
        this.navList = res.message
      },
      
    navClickHandler(item) {
      if(item.name==='分类'){
        uni.switchTab({
          url:'/pages/cate/cate'
        })
      }
    },
    //获取首页楼层数据的方法
    async getFloorList(){
      const{ data:res } = await uni.$http.get('/api/public/v1/home/floordata')
        //请求失败
        if(res.meta.status !== 200){
        return  uni.showToast({
           title:'数据请求失败！',
           duration:1500,
           icon: 'none'
         })
        }
        
        //对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod=>{
            prod.url='/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
    },
    gotoSearch(){
      uni.navigateTo({
        url:'/subpkg/search/search'
      })
    }
  }
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title{
  width: 100%;
  height: 60rpx;
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}

.search-box{
  // 粘性布局
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
